From 498e517c2f2fc22b40550f5d87596b5926b73f45 Mon Sep 17 00:00:00 2001
From: defanor <defanor@uberspace.net>
Date: Wed, 22 Sep 2021 18:44:25 +0300
Subject: Reintroduce c-ares as an option for DNS lookups

---
 configure.ac | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 9e8e080..e318940 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@ PKG_CHECK_MODULES([GSASL], [libgsasl])
 PKG_CHECK_MODULES([NETTLE], [nettle])
 
 
-# DNS: libunbound, optional
+# DNS: libunbound or c-ares, optional
 
 AC_ARG_VAR([DNSSEC_TRUST_ANCHOR_FILE],
         [A DNSSEC trust anchor, containing DNSKEY in zone file format])
@@ -36,10 +36,15 @@ AC_DEFINE_UNQUOTED([DNSSEC_TRUST_ANCHOR_FILE],
 
 AC_ARG_WITH([unbound],
         AS_HELP_STRING([--without-unbound], [don't use libunbound]))
+AC_ARG_WITH([cares],
+        AS_HELP_STRING([--with-cares], [use c-ares]))
 
 AS_IF([test "x$with_unbound" != "xno"],
       [PKG_CHECK_MODULES([UNBOUND], [libunbound],
         [AC_DEFINE([USE_UNBOUND], [1], [Use libunbound])])])
+AS_IF([test "x$with_cares" == "xyes"],
+      [PKG_CHECK_MODULES([CARES], [libcares],
+        [AC_DEFINE([USE_CARES], [1], [Use c-ares])])])
 
 # GPGME, optional
 
-- 
cgit v1.2.3